Amprobe AMP-320 [4560562] 600A AC/DC TRMS Motor Maintenance Clamp Meter. The Amprobe AMP-320 is a versatile and reliable clamp meter designed for professional electricians and technicians. This clamp meter offers a range of measurement capabilities to help diagnose and troubleshoot electrical problems. With its True-RMS sensing technology, the AMP-320 accurately measures AC/DC voltage, AC/DC current, resistance, continuity, frequency, capacitance, and temperature. The AMP-320 features a large, easy-to-read LCD display with a backlight for use in dimly lit areas. It also has a low pass filter to accurately measure voltage and current on variable frequency drives. Additionally, the clamp meter has a peak hold function for capturing inrush currents and transient signals, as well as a data hold function for convenient data retrieval. For added safety, the AMP-320 is designed with a non-contact voltage detector that alerts users to the presence of AC voltage without the need for contact with live wires. The meter also has a compact and ergonomic design for easy one-handed operation, and a rugged construction that withstands everyday use in tough environments. The Amprobe AMP-320 is a reliable and feature-packed clamp meter that is ideal for both industrial and commercial applications. Its versatile measurement capabilities and safety features make it a valuable tool for electricians, HVAC technicians, and maintenance professionals.